const createError = require('http-errors');
const express = require('express');
const session = require('express-session');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
// const sassMiddleware = require('node-sass-middleware');

const apiRouter = require('./routes/api/api_index');

const app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
// app.use(sassMiddleware({
//   src: path.join(__dirname, 'public'),
//   dest: path.join(__dirname, 'public'),
//   indentedSyntax: true, // true = .sass and false = .scss
//   sourceMap: true,
// }));
app.use(express.static(path.join(__dirname, 'public')));

app.use(
  session({
    secret: 'secret', // 对session id 相关的cookie 进行签名
    resave: true,
    saveUninitialized: false, // 是否保存未初始化的会话
    cookie: {
      maxAge: 1000 * 60 * 60 * 24, // 设置 session 的有效时间，单位毫秒
    },
  })
);

app.use('/api', apiRouter);

// catch 404 and forward to error handler
app.use((req, res, next) => {
  next(createError(404));
});

// error handler
app.use((err, req, res, next) => {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
